#42AED1#42AED1

#42AED1 is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.4% C 0.109 H 223.2°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#42AED1
RGB	rgb(66, 174, 209)
HSL	hsl(195, 61%, 54%)
HSV	hsv(195, 68%, 82%)
CMYK	cmyk(68.4%, 16.7%, 0%, 18%)
CIE-LAB	lab(66.54, -19.62, -26.72)
CIE-LCH	lch(66.54, 33.15, 233.71°)
OKLab	oklab(70.36% -0.0794 -0.0747)
OKLCH	oklch(70.36% 0.109 223.2)
XYZ	xyz(28.8868, 36.0306, 65.7414)
Luminance	0.3603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AED1 #D16542

analogous

#42D1AC #42AED1 #4267D1

triadic

#42AED1 #D142AE #AED142

tetradic

#42AED1 #AC42D1 #D16542 #67D142

square

#42AED1 #AC42D1 #D16542 #67D142

split-complementary

#42AED1 #D14267 #D1AC42

monochromatic

#1E647B #2A8CAC #42AED1 #73C3DD #A4D8E9

Accessibility & contrast

On white

2.56

#42AED1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#42AED1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AED1

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AED1	#FFFFFF	#000000	##000000
##42AED1	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAAD3

Deuteranopia (green-blind)

#869CD1

Tritanopia (blue-blind)

#00B9B9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42aed1;
/* rgb */ color: rgb(66, 174, 209);
/* oklch */ color: oklch(70.4% 0.109 223.2);

Tailwind

colors: {
  custom: {
    50: '#87c6df',
    500: '#42aed1',
    950: '#000000',
  },
}

SCSS

$custom: #42aed1;
$custom-light: #87c6df;
$custom-dark: #000000;

JSON

{
  "hex": "#42aed1",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 209
  },
  "hsl": {
    "h": 194.685,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.70355,
    "c": 0.10898,
    "h": 223.2
  },
  "luminance": 0.36034
}

Semantic roles & 50–950 ramp

primary

#42AED1

secondary

#D6A899

accent

#6B44E4

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42AED1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →